[PATCH v6 02/24] KVM: arm/arm64: Add GICV3 pending table save API documentation
From: eric.auger@redhat.com (Eric Auger)
Date: 2017-05-04 11:44:22
Also in:
kvm, kvmarm
Subsystem:
documentation, the rest · Maintainers:
Jonathan Corbet, Linus Torvalds
Add description for how to save GICV3 LPI pending bit into guest RAM pending tables. Signed-off-by: Eric Auger <eric.auger@redhat.com> --- v5: creation --- Documentation/virtual/kvm/devices/arm-vgic-v3.txt | 6 ++++++ 1 file changed, 6 insertions(+)
diff --git a/Documentation/virtual/kvm/devices/arm-vgic-v3.txt b/Documentation/virtual/kvm/devices/arm-vgic-v3.txt
index c1a2461..9293b45 100644
--- a/Documentation/virtual/kvm/devices/arm-vgic-v3.txt
+++ b/Documentation/virtual/kvm/devices/arm-vgic-v3.txt@@ -167,11 +167,17 @@ Groups: KVM_DEV_ARM_VGIC_CTRL_INIT request the initialization of the VGIC, no additional parameter in kvm_device_attr.addr. + KVM_DEV_ARM_VGIC_SAVE_PENDING_TABLES + save all LPI pending bits into guest RAM pending tables. + + The first kB of the pending table is not altered by this operation. Errors: -ENXIO: VGIC not properly configured as required prior to calling this attribute -ENODEV: no online VCPU -ENOMEM: memory shortage when allocating vgic internal data + -EFAULT: Invalid guest ram access + -EBUSY: One or more VCPUS are running KVM_DEV_ARM_VGIC_GRP_LEVEL_INFO
--
2.5.5